Home / 12,292,406.80-18,438,610.20-4,616,036.80

Finding the Fourth Proportional to 12,292,406.80, 18,438,610.20 and 4,616,036.80

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Solution

The fourth proportional to 12,292,406.80, 18,438,610.20 and 4,616,036.80 is: 6,924,055.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,292,406.80 : 18,438,610.20 = 4,616,036.80 : x
  2. Step 2: Convert to fraction form
    12,292,406.80/18,438,610.20 = 4,616,036.80/x
  3. Step 3: Cross multiply
    12,292,406.80x = 18,438,610.20 × 4,616,036.80
  4. Step 4: Simplify right side
    12,292,406.80x = 85,113,303,224,055.36
  5. Step 5: Solve for x
    x = 85,113,303,224,055.36/12,292,406.80
  6. Step 6: Final answer
    x = 6,924,055.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.